Azolla filiculoides Lam.
(Water Fern)

Taxonomic hierarchy:
SpeciesAzolla filiculoides (Water Fern)
FamilySALVINACEAE (a family of ferns)
OrderSALVINALES (an order of ferns)
ClassPOLYPODIOPSIDA (a class of ferns)
PhylumPTERIDOPHYTA (ferns and allies)
SubkingdomVIRIDIPLANTAE (lower green plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
standard photographs and close-ups
standard photographs and close-ups:

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Records of Azolla filiculoides (Water Fern) :
1: Azolla filiculoides (Water Fern)
21 Mar 1998 OSGR: SU77 51° 30’ N, 0° 50’ W Vice County: Berks (VC 22) England
on surface of water
Image 1: PlantImage 2: Plant (2)Image 3: Plant - side view
2: Azolla filiculoides (Water Fern)
13 Apr 1975 OSGR: TQ20 50° 50’ N, 0° 20’ W Vice County: West Sussex (VC 13) England
in ditch
Image 1: Plant - enlargedImage 2: Plants - enlargedImage 3: Plants - enlarged (2)Image 4: Plants - enlarged (3)

Identification Works

AuthorYearTitleSource
Booy, O., Wade, M. & White, V. Water Fern
() Lansdown R.V. & Pankhurst T.J. Field Guide to the Identification of Difficult Aquatic Plants of the New Forest

Azolla filiculoides (Water Fern) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Azolla filiculoides (Water Fern)
BioInfoBioInfo (www.bioinfo.org.uk) has 2 host/parasite/foodplant and/or other relationships for Azolla filiculoides (Water Fern)
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